Home / 12,776.13-19,151.84-4,008.96

Finding the Fourth Proportional to 12,776.13, 19,151.84 and 4,008.96

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Solution

The fourth proportional to 12,776.13, 19,151.84 and 4,008.96 is: 6,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.13 : 19,151.84 = 4,008.96 : x
  2. Step 2: Convert to fraction form
    12,776.13/19,151.84 = 4,008.96/x
  3. Step 3: Cross multiply
    12,776.13x = 19,151.84 × 4,008.96
  4. Step 4: Simplify right side
    12,776.13x = 76,778,970.51
  5. Step 5: Solve for x
    x = 76,778,970.51/12,776.13
  6. Step 6: Final answer
    x = 6,009.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.